Finding the Fourth Proportional to 2,978.36, 4,464.41 and 1,003.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,978.36 : 4,464.41 = 1,003.30 : x
2. Step 2: Convert to fraction form
   2,978.36/4,464.41 = 1,003.30/x
3. Step 3: Cross multiply
   2,978.36x = 4,464.41 × 1,003.30
4. Step 4: Simplify right side
   2,978.36x = 4,479,140.04
5. Step 5: Solve for x
   x = 4,479,140.04/2,978.36
6. Step 6: Final answer
   x = 1,503.90